/Engine/Source/Runtime/Engine/Public/GPUSkinCache.h
void DispatchUpdateSkinTangents ( [FRHICommandListImmediate](API\Runtime\RHI\FRHICommandListImmediate) & RHICmdList, FGPUSkinCacheEntry * Entry, int32 SectionIndex, [FSkinCacheRWBuffer](API\Runtime\Engine\FGPUSkinCache\FSkinCacheRWBuffer) *& StagingBuffer, bool bTrianglePass )